hot aggregates

简明释义

加热骨料

英英释义

例句

1.During the summer, the availability of hot aggregates can significantly improve the paving process.

在夏季，热集料的可用性可以显著改善铺路过程。

2.The construction team decided to use hot aggregates for the asphalt mix to ensure better adhesion.

施工团队决定使用热集料来制作沥青混合物，以确保更好的粘附性。

3.Proper storage of hot aggregates is crucial to maintain their temperature before mixing.

妥善存储热集料对于在混合前保持其温度至关重要。

4.Mixing hot aggregates with the binder helps achieve a smoother surface finish.

将热集料与粘结剂混合有助于实现更光滑的表面处理。

5.The engineer recommended using hot aggregates to reduce the risk of cracking in the pavement.

工程师建议使用热集料以减少路面开裂的风险。

作文

In the field of construction and civil engineering, the term hot aggregates refers to a specific type of aggregate material that has been heated to a high temperature before being mixed with asphalt for road construction. The heating process is crucial because it ensures that the asphalt binder adheres properly to the aggregate particles, resulting in a durable and long-lasting pavement. The use of hot aggregates is essential for producing hot mix asphalt (HMA), which is widely used in various paving applications due to its strength and resistance to wear and tear.The preparation of hot aggregates involves several steps. First, the aggregates—composed of crushed stone, gravel, or sand—are collected and then heated in a specialized plant. This heating process typically occurs in a drum mixer or a batch plant where temperatures can reach up to 300 degrees Fahrenheit (approximately 150 degrees Celsius). By elevating the temperature of the aggregates, the moisture content is reduced significantly, which is vital for achieving optimal bonding with the asphalt.One of the primary benefits of using hot aggregates is that they enhance the overall performance of the asphalt mixture. When the aggregates are heated, they become more receptive to the asphalt binder, leading to a better coating and improved adhesion. This results in a stronger pavement that can withstand heavy traffic loads, extreme weather conditions, and other environmental stresses. Additionally, the use of hot aggregates can contribute to a smoother surface finish, which not only improves aesthetics but also enhances driving comfort and safety.Moreover, the use of hot aggregates allows for better control over the mixing process. When the aggregates are heated, they can be mixed with the asphalt binder at a consistent and optimal temperature, ensuring uniformity throughout the mixture. This consistency is critical for achieving the desired performance characteristics of the final product, such as flexibility, durability, and resistance to cracking.However, there are some challenges associated with the use of hot aggregates. One significant concern is the energy consumption required for heating the aggregates. The process can be costly and may contribute to environmental issues, particularly if fossil fuels are used as the energy source. As a result, many companies are exploring alternative methods to reduce energy usage and emissions during the heating process.Additionally, the handling and transportation of hot aggregates require careful consideration to maintain their temperature and prevent cooling before they are mixed with asphalt. If the aggregates lose heat, it can compromise the quality of the asphalt mixture, leading to potential failures in the pavement.In conclusion, the concept of hot aggregates plays a vital role in the construction industry, particularly in the production of high-performance asphalt pavements. Understanding the importance of heating aggregates and the impact it has on the quality of road surfaces is essential for engineers and construction professionals. By optimizing the use of hot aggregates, the industry can continue to improve the longevity and reliability of infrastructure projects, ultimately benefiting society as a whole.

在建筑和土木工程领域，短语热骨料指的是在与沥青混合用于道路施工之前被加热到高温的特定类型的骨料材料。加热过程至关重要，因为它确保沥青粘结剂能够正确附着在骨料颗粒上，从而产生耐用且持久的路面。使用热骨料对于生产热拌沥青（HMA）至关重要，HMA因其强度和耐磨性而广泛应用于各种铺设项目。热骨料的准备涉及几个步骤。首先，骨料——由碎石、砾石或沙子组成——被收集，然后在专门的工厂中加热。这个加热过程通常发生在滚筒混合机或批量工厂中，温度可以达到300华氏度（约150摄氏度）。通过提高骨料的温度，水分含量显著减少，这对于实现与沥青的最佳结合至关重要。使用热骨料的主要好处之一是它们增强了沥青混合物的整体性能。当骨料被加热时，它们对沥青粘结剂的接受能力增强，从而导致更好的涂层和改进的粘附性。这导致了更强的路面，能够承受重型交通负荷、极端天气条件和其他环境压力。此外，使用热骨料还可以促进更光滑的表面效果，这不仅改善了美观，还提升了驾驶舒适性和安全性。此外，使用热骨料可以更好地控制混合过程。当骨料加热后，可以在一致的最佳温度下与沥青粘结剂混合，确保混合物的均匀性。这种一致性对于实现最终产品所需的性能特征至关重要，例如灵活性、耐用性和抗裂性。然而，使用热骨料也存在一些挑战。一个显著的问题是加热骨料所需的能源消耗。该过程可能成本高昂，并可能导致环境问题，特别是如果使用化石燃料作为能源来源。因此，许多公司正在探索替代方法，以减少加热过程中的能耗和排放。此外，处理和运输热骨料需要仔细考虑，以保持其温度并防止在与沥青混合之前降温。如果骨料失去热量，可能会影响沥青混合物的质量，导致路面的潜在故障。总之，热骨料的概念在建筑行业中发挥着至关重要的作用，特别是在高性能沥青路面的生产中。理解加热骨料的重要性及其对路面质量的影响，对于工程师和建筑专业人员至关重要。通过优化热骨料的使用，行业能够继续改善基础设施项目的耐久性和可靠性，最终使整个社会受益。